From: Nicolas Dufresne <nicolas@ndufresne.ca>
To: Gustavo Padovan <gustavo@padovan.org>, linux-media@vger.kernel.org
Cc: Hans Verkuil <hverkuil@xs4all.nl>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
Shuah Khan <shuahkh@osg.samsung.com>,
Pawel Osciak <pawel@osciak.com>,
Alexandre Courbot <acourbot@chromium.org>,
Sakari Ailus <sakari.ailus@iki.fi>,
Brian Starkey <brian.starkey@arm.com>,
Thierry Escande <thierry.escande@collabora.com>,
linux-kernel@vger.kernel.org,
Gustavo Padovan <gustavo.padovan@collabora.com>
Subject: Re: [PATCH v7 0/6] V4L2 Explicit Synchronization
Date: Wed, 10 Jan 2018 11:44:16 -0500 [thread overview]
Message-ID: <1515602656.5266.15.camel@ndufresne.ca> (raw)
In-Reply-To: <20180110160732.7722-1-gustavo@padovan.org>
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Le mercredi 10 janvier 2018 à 14:07 -0200, Gustavo Padovan a écrit :
> v7 bring a fix for a crash when not using fences and a uAPI fix.
> I've done a bit more of testing on it and also measured some
> performance. On a intel laptop a DRM<->V4L2 pipeline with fences is
> runnning twice as faster than the same pipeline with no fences.
What does it mean twice faster here ?
Nicolas
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next prev parent reply other threads:[~2018-01-10 16:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-10 16:07 Gustavo Padovan
2018-01-10 16:07 ` [PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers Gustavo Padovan
2018-01-12 11:57 ` Hans Verkuil
2018-01-15 7:11 ` Alexandre Courbot
2018-01-15 12:01 ` Gustavo Padovan
2018-01-15 12:14 ` Hans Verkuil
2018-01-15 17:55 ` Gustavo Padovan
2018-01-16 2:35 ` Alexandre Courbot
2018-01-10 16:07 ` [PATCH v7 2/6] [media] v4l: add 'unordered' flag to format description ioctl Gustavo Padovan
2018-01-12 12:05 ` Hans Verkuil
2018-01-10 16:07 ` [PATCH v7 3/6] [media] vb2: add explicit fence user API Gustavo Padovan
2018-01-12 12:15 ` Hans Verkuil
2018-01-12 12:20 ` Hans Verkuil
2018-01-10 16:07 ` [PATCH v7 4/6] [media] vb2: add in-fence support to QBUF Gustavo Padovan
2018-01-12 13:46 ` Hans Verkuil
2018-01-18 17:38 ` Gustavo Padovan
2018-01-10 16:07 ` [PATCH v7 5/6] [media] vb2: add out-fence " Gustavo Padovan
2018-01-12 14:05 ` Hans Verkuil
2018-01-19 13:12 ` Gustavo Padovan
2018-01-15 7:12 ` Alexandre Courbot
2018-01-19 13:43 ` Gustavo Padovan
2018-01-10 16:07 ` [PATCH v7 6/6] [media] v4l: Document explicit synchronization behavior Gustavo Padovan
2018-01-12 14:48 ` Hans Verkuil
2018-01-10 16:44 ` Nicolas Dufresne [this message]
2018-01-10 17:11 ` [PATCH v7 0/6] V4L2 Explicit Synchronization Gustavo Padovan
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